Rezo.AI automates 15 million daily customer calls with agentic AI
Noida-based startup Rezo.AI has built an agentic AI platform that automates over 15 million customer service calls daily in India. The company, founded by Dr. Rashi Gupta, focuses on enterprise clients in sectors like banking, automotive, and telecom, using a usage-based pricing model.
Editor, Lazyfounder

30 SEC SUMMARY
- Rezo.AI, founded by Dr. Rashi Gupta, manages over 15 million customer service calls daily in India using agentic AI.
- The startup focuses on automating customer service interactions across voice, chat, and WhatsApp for enterprises.
- Rezo.AI operates on a usage-based pricing model, charging clients based on call volume, AI usage, and complexity.
- The company serves sectors like banking, finance, automotive, telecom, and energy, with clients including Maruti Suzuki and L&T.
- Rezo.AI prioritized product readiness over early funding, reinvesting revenue into growth instead of relying on frequent funding rounds.
TABLE OF CONTENTS
KEY HIGHLIGHTS
- Rezo.AI handles over 15 million calls daily across 22+ languages in India.
- The company is profitable and reinvests earnings into product and expansion rather than relying on continuous funding.
- Clients include Maruti Suzuki, Livguard, L&T, and Spinny, with use cases like service bookings and claim status updates.
- Rezo.AI’s agentic AI aims to understand customer needs and execute actions across systems without human intervention.
- The startup initially spent two years refining its product to work effectively on real phone networks before launching.
How Rezo.AI works
Rezo.AI describes itself as an agentic AI product company that automates customer interactions for large enterprises. Its platform operates across voice, chat, and WhatsApp, integrating with client systems to resolve queries without human intervention. According to YourStory, the AI is designed not just to respond to customers but to understand their needs and execute actions, such as booking service appointments or updating claim statuses.
The startup uses a usage-based pricing model, charging clients based on call volume, AI utilization, and the complexity of tasks handled. This model scales with the client’s needs, making it adaptable for enterprises of varying sizes.
Clients and use cases
Rezo.AI serves clients across sectors like banking, financial services, NBFCs, automotive, consumer durables, energy, and telecom. Notable clients include Maruti Suzuki, Livguard, L&T, and Spinny, according to the source.
For Maruti Suzuki, Rezo.AI’s AI agents handle service bookings, managing approximately 750,000 bookings monthly. In insurance, the platform automates calls related to claim status updates, reducing the need for human agents.
Funding and growth strategy
Unlike many startups that prioritize raising external funding, Rezo.AI has reinvested its revenue into product development and expansion. The company raised around ₹2 crore in external funding in 2021 but has focused on profitability and sustainable growth since then, per YourStory.
Rezo.AI’s co-founder, Dr. Rashi Gupta, emphasized the importance of building a product that works effectively in real-world conditions. The startup spent two years refining its AI to handle challenges like regional languages and inconsistent call quality before launching commercially.
Challenges in scaling agentic AI
Rezo.AI faced hurdles in adapting its AI to India’s diverse linguistic landscape. Regional dialects and varying call quality initially impacted accuracy, requiring real-time data to improve models for different regions, according to YourStory.
Another challenge was gaining enterprise trust. Many companies were skeptical about AI replacing human jobs. Rezo.AI addressed this by starting with small pilots to demonstrate results and positioning its AI as a tool to augment human work rather than replace it.
During peak periods like festivals or large campaigns, the sudden spike in call volumes tested the platform’s scalability. Rezo.AI implemented auto-scaling and continuous monitoring to handle these surges.
Future plans
Rezo.AI is expanding its offerings to include solutions for collections and developing a DIY platform. This platform aims to enable businesses to create production-ready AI agents quickly, reducing reliance on technical teams.
While India remains its primary market, the company has established a presence in Singapore and plans to explore other international markets. However, it continues to prioritize sustainable growth over rapid expansion.
What this means
Lazyfounder analysis — our interpretation, not reported fact.
Rezo.AI’s model showcases how agentic AI can be deployed at scale to handle routine customer service tasks, freeing human agents for more complex queries. For founders and operators, this signals a shift in enterprise adoption of AI beyond chatbots—moving toward systems that can execute actions autonomously. The startup’s focus on profitability over frequent funding rounds also highlights an alternative growth path for AI companies, particularly in markets where operational challenges like language diversity and call quality are significant.
Key takeaways
- Enterprises in customer-heavy sectors can evaluate agentic AI to reduce manual intervention in routine queries like service bookings or claim updates.
- Rezo.AI’s model demonstrates that bootstrapped growth is viable for AI startups if they prioritize product-market fit over early scaling.
- Indian startups building AI for customer service must account for regional language variations and poor call quality, which can impact accuracy.
- The shift from demo-based AI to real-world deployment requires rigorous testing, as Rezo.AI’s two-year refinement period shows.
Sources
This story is an original summary drafted with AI by Lazyfounder from the reporting listed above and checked by automated validation. Facts are attributed to their original publishers; sections marked as analysis are Lazyfounder's. Where a source is in another language, facts were machine-translated and quotations are reported, not reproduced. Read the original coverage via the links, and see our AI policy and corrections policy.
About the author
Editor, Lazyfounder
Tarun Mottlia edits LazyFounders, covering Indian startups, funding rounds, AI and product launches. Every story on the site is AI-assisted and checked against its cited sources before publication.
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